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September 1, 2026AggregateOpen Access

Chirality Fixation of Ag‐Based Nanoclusters via Co‐Crystallization With Ag–P Complexes: Unlocking Circularly Polarized Luminescence

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Authors

CZChuanjun ZhouUniversité Claude Bernard Lyon 1XWXiao WeiAnhui UniversityKKKaiyang KuangMinistry of Education of the People's Republic of China

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Implication

Experimental study demonstrates chiral fixation in silver-based nanoclusters via achiral co-crystallization, indicating a scalable route to circularly polarized luminescence.

Key Points

  • To resolve racemic metal nanoclusters and fix them into a single enantiomeric form using an achiral co-crystallization approach to induce circularly polarized luminescence.
  • Synthesized a new racemic metal nanocluster, [AuAg28(H2NC6H4S)12(PPh3)12Cl6]3+, alongside isostructural Ag29 nanoclusters.
  • Co-crystallized the nanoclusters with achiral Ag(PPh3)3Cl complexes to achieve homochiral single crystals via supramolecular confinement.
  • Intermolecular interaction sites and T-shaped pi-pi stacking forces from introduced Ag-P complexes rigidly locked nanoclusters into a single chiral conformation.
  • Homochiral co-crystals achieved intense circularly polarized luminescence (CPL), with Ag29 co-crystals displaying near-infrared CPL.
  • Core-metal substitution produced an emission redshift of approximately 50 nm without disrupting chiral induction.

Cite This Study

Zhou et al. (2026) studied this question.

synapsesocial.com/papers/6aaf36c390b0797a76774feahttps://doi.org/10.1002/agt2.70430
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